.nav{
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 99999;
}
.list{
    background: #fff;
    height: 100%;
    padding: 0 10px;
}
.listItem{
    border-bottom: solid 1px #eee;
    padding: 10px 0;
}
.list img{
    width: 80px;
    height: 80px;
}
.listbtm{
    display: flex;
}
.listdesc{
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;
    font-size: 12px;
    color: #999;
    line-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.loadingMore {
    text-align: center;
    padding: 20px;
    font-size: 16px;
    color: #999;
}

